{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61651",
    "entityType": "User",
    "nonce": "0x5a0f4d37efa5fbf5c06d0aac9e154115e7817eb4a8ed14ab38aa6ff2a23a9b2d",
    "signature": "0x0f2b09a435d93bfaba08272fdb9ca96de42b2de4c62e462485679fc3a37eaac4344dd47ba7bef2d984e0ca422c86e961f1a75bb580dd5745f93a460fafb2401b1c",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}